Alert archive / Alabama / Areal Flood Warnings in 2013

Areal Flood Warning 6, NWS Mobile, AL

February 25, 20135 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this areal flood warning at Feb 25, 2013, 11:33 AM CST for 5 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 25, 2013, 11:33 AM CST (17:33 UTC)
Expired: Feb 25, 2013, 5:30 PM CST
In force: 6 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

Counties Baldwin County, AL, Conecuh County, AL, Covington County, AL, Escambia County, AL, Mobile County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 103 km from the middle of the area, began a volume at 17:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.6 hours before the alert went out and 251 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 44 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 490 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 218 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this areal flood warning went out at Feb 25, 11:30 AM CST, 3 minutes earlier.

Area forecast discussion, Feb 25, 11:30 AM CST, 3 minutes before

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Hazardous weather outlook, Feb 25, 11:00 AM CST, 33 minutes before

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In the hours before

Special weather statement, Feb 25, 5:57 AM CST, 5 hours 36 minutes before

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Special weather statement, Feb 25, 6:31 AM CST, 5 hours 2 minutes before

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The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 24, 8:31 PM CST	Special Marine Warning	MOB		89 min
Feb 24, 10:15 PM CST	Special Marine Warning	MOB		90 min
Feb 24, 10:52 PM CST	Special Marine Warning	MOB		53 min
Feb 25, 2:34 AM CST	Areal Flood Advisory	MOB	Mobile	116 min
Feb 25, 3:15 AM CST	Special Marine Warning	MOB		60 min
Feb 25, 3:32 AM CST	Severe Thunderstorm Warning	MOB	Mobile	58 min
Feb 25, 4:01 AM CST	Areal Flood Advisory	MOB	Baldwin	119 min
Feb 25, 4:23 AM CST	Gale Warning	MOB		38 hr
Feb 25, 4:33 AM CST	Areal Flood Advisory	MOB	Choctaw, Clarke, Washington	117 min
Feb 25, 4:39 AM CST	Flash Flood Warning	MOB	Baldwin	6 hr
Feb 25, 4:49 AM CST	Flash Flood Warning	MOB	Mobile	3 hr
Feb 25, 4:59 AM CST	Special Marine Warning	MOB		91 min
Feb 25, 5:34 AM CST	Special Marine Warning	MOB		86 min
Feb 25, 6:59 AM CST	Special Marine Warning	MOB		91 min
Feb 25, 8:28 AM CST	Special Marine Warning	MOB		92 min
Feb 25, 9:53 AM CST	Special Marine Warning	MOB		97 min
Feb 25, 12:22 PM CST	Special Marine Warning	MOB		38 min
Feb 25, 3:36 PM CST	Wind Advisory	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	26 hr
Feb 25, 2:42 AM CST	Areal Flood Advisory	MOB	Okaloosa	3 hr
Feb 25, 5:24 AM CST	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	66 min
Feb 25, 6:18 AM CST	Areal Flood Advisory	MOB	Escambia, Santa Rosa	117 min
Feb 25, 7:12 AM CST	Areal Flood Advisory	MOB	Escambia	2 hr

Nearby

Areal Flood Warnings in Alabama, 2013 Areal Flood Warnings in Florida, 2013 Every areal flood warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.